You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
85 lines
3.2 KiB
85 lines
3.2 KiB
/**************************************************************************** |
|
* net/net_timeo.c |
|
* |
|
* Copyright (C) 2007-2009, 2011-2012 Gregory Nutt. All rights reserved. |
|
* Author: Gregory Nutt <gnutt@nuttx.org> |
|
* |
|
* Redistribution and use in source and binary forms, with or without |
|
* modification, are permitted provided that the following conditions |
|
* are met: |
|
* |
|
* 1. Redistributions of source code must retain the above copyright |
|
* notice, this list of conditions and the following disclaimer. |
|
* 2. Redistributions in binary form must reproduce the above copyright |
|
* notice, this list of conditions and the following disclaimer in |
|
* the documentation and/or other materials provided with the |
|
* distribution. |
|
* 3. Neither the name NuttX nor the names of its contributors may be |
|
* used to endorse or promote products derived from this software |
|
* without specific prior written permission. |
|
* |
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
|
* POSSIBILITY OF SUCH DAMAGE. |
|
* |
|
****************************************************************************/ |
|
|
|
/**************************************************************************** |
|
* Included Files |
|
****************************************************************************/ |
|
|
|
#include <nuttx/config.h> |
|
#if defined(CONFIG_NET) && defined(CONFIG_NET_SOCKOPTS) && !defined(CONFIG_DISABLE_CLOCK) |
|
|
|
#include <stdint.h> |
|
#include <debug.h> |
|
|
|
#include <nuttx/clock.h> |
|
|
|
#include "net_internal.h" |
|
|
|
/**************************************************************************** |
|
* Global Functions |
|
****************************************************************************/ |
|
|
|
/**************************************************************************** |
|
* Function: net_timeo |
|
* |
|
* Description: |
|
* Check if a timeout has elapsed. This can be called from a socket poll |
|
* function to determine if a timeout has occurred. |
|
* |
|
* Parameters: |
|
* start_time Timeout start time in system clock ticks |
|
* timeout Timeout value in deciseconds. |
|
* |
|
* Returned Value: |
|
* 0 (FALSE) if not timeout; 1 (TRUE) if timeout |
|
* |
|
* Assumptions: |
|
* |
|
****************************************************************************/ |
|
|
|
int net_timeo(uint32_t start_time, socktimeo_t timeo) |
|
{ |
|
uint32_t timeo_ticks = DSEC2TICK(timeo); |
|
uint32_t elapsed = clock_systimer() - start_time; |
|
|
|
if (elapsed >= timeo_ticks) |
|
{ |
|
return TRUE; |
|
} |
|
return FALSE; |
|
} |
|
|
|
#endif /* CONFIG_NET && CONFIG_NET_SOCKOPTS && !CONFIG_DISABLE_CLOCK */ |
|
|
|
|